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參數(shù)資料
| 型號： | 5962-8990502VEA |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 2.2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, CDIP16 |
| 封裝： | DIP-16 |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 515K |
| 代理商： | 5962-8990502VEA |
3
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Oscillator Section
Initial Accuracy
TJ
= 25°C (Note 1)
375
400
425
kHz
Total Variation
Line, Temperature (Note 1)
350
450
kHz
Voltage Stability
12V
< VCC < 20V
1
%
Temperature Stability
TMIN
< TA < TMAX (Note 1)
5
%
Initial Accuracy
RT
= 6.6k, CT = 220pF TA = 25°C (Note 1)
0.9
1
1.1
MHz
Total Variation
RT
= 6.6k, CT = 220pF (Note 1)
0.85
1.15
MHz
Clock Out High
3.7
4
V
Clock Out Low
0
0.2
V
Ramp Peak
2.6
2.8
3
V
Ramp Valley
0.7
1
1.25
V
Ramp Valley to Peak
1.6
1.8
2
V
Oscillator Discharge Current
RT
= Open, VCT = 2V
9
10
11
mA
Error Amplifier Section
Input Offset Voltage
210
mV
Input Bias Current
0.6
3
A
Input Offset Current
0.1
1
A
Open Loop Gain
1V
< Vo < 4V
60
95
dB
CMRR
1.5V
< VCM < 5.5V
75
95
dB
PSRR
12V
< VCC < 20V
85
110
dB
Output Sink Current
VEAOUT
= 1V
1
2.5
mA
Output Source Current
VEAOUT
= 4V
0.5
1.3
mA
Output High Voltage
IEAOUT
=0.5mA
4.5
4.7
5
V
Output Low Voltage
IEAOUT
= 1mA
0
0.5
1
V
Gain Bandwidth Product
F
= 200kHz
6
12
MHz
Slew Rate
(Note 1)
6
9
V/
s
PWM Comparator
RAMP Bias current
VRAMP
= 0V
1
8
A
Minimum Duty Cycle
0%
Maximum Duty Cycle
85
%
Leading Edge Blanking
R
= 2k, C = 470pF
300
375
450
ns
LEB Resistor
VCLK/LEB
= 3V
8.5
10
11.5
kohm
EAOUT Zero D.C. Threshold
VRAMP
= 0V
1.1
1.25
1.4
V
Delay to Output
VEAOUT
= 2.1V, VRAMP = 0 to 2V Step (Note 1)
50
80
ns
Current Limit/Start Sequence/Fault Section
Soft Start Charge Current
VSS
= 2.5V
8
14
20
A
Full Soft Start Threshold
4.3
5
V
Restart Discharge Current
VSS
= 2.5V
100
250
350
A
Restart Threshold
0.3
0.5
V
ILIM Bias Current
0
< VILIM < 2V
15
A
Current Limit Threshold
0.95
1
1.05
V
UC1823A,B/1825A,B
UC2823A,B/2825A,B
UC3823A,B/3825A,B
ELECTRICAL CHARACTERISTICS (cont.) Unless otherwise stated, these specifications apply for TA =
55°C to
+125°C for the UC1823A,B and UC1825A,B; 40°C to +85°C for the UC2823A,B and UC2825A,B; 0°C to +70°C for the
UC3823A,B and UC3825A,B; RT
= 3.65k, CT = 1nF, VCC = 12V, TA = TJ.
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